In Paris, mysterious graffiti appears on apartment doors, prompting a deadly investigation. When a resident is found dead, Detective Jean-Baptiste Adamsberg and his partner Danglard uncover a possible plague connection. Meanwhile, a former actor receives ominous messages about an impending plague outbreak and teams up with a professor to decipher the warnings. As the disease spreads, the police struggle to contain the panic and find the maniac behind the fleas contaminated by rats.
Pars vite et reviens tard
A charismatic town crier in contemporary Paris discovers he is unwittingly spreading ominous prophecies about an impending plague, prompting him to unravel the mystery behind the cryptic messages.
